Home / 119,966.30-179,572.09-82,306.16

Finding the Fourth Proportional to 119,966.30, 179,572.09 and 82,306.16

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Solution

The fourth proportional to 119,966.30, 179,572.09 and 82,306.16 is: 123,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,966.30 : 179,572.09 = 82,306.16 : x
  2. Step 2: Convert to fraction form
    119,966.30/179,572.09 = 82,306.16/x
  3. Step 3: Cross multiply
    119,966.30x = 179,572.09 × 82,306.16
  4. Step 4: Simplify right side
    119,966.30x = 14,779,889,171.07
  5. Step 5: Solve for x
    x = 14,779,889,171.07/119,966.30
  6. Step 6: Final answer
    x = 123,200.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.